Average
#3778 of 4,739 schools in NY
Central Islip Senior High School
High School · CENTRAL ISLIP UNION FREE SCHOOL DISTRICT
85 WHEELER RD, Central Islip, NY 11722
Enrollment
2,597
Student-Teacher
17:1
Score
5.0
Grades
9th – 12th
Enrollment
2,597
Student-Teacher
17:1
Score
5.0
Grades
9th – 12th
Updated
2022-23
Updated 2022-23
How this school compares
In Central Islip
#6 of 7
public schools
New York high schools
#1,006 of 1,160
In district
#7 of 8
CENTRAL ISLIP UNION FREE SCHOOL DISTRICT
Equity
9.2 / 10
Exceptional
About Central Islip Senior High School
Central Islip Senior High School serves 2,597 students in grades 9 through 12, making it one of the larger high schools in Suffolk County. With 153 full-time equivalent teachers, the school maintains a student-teacher ratio of 17:1, providing reasonable class sizes for a comprehensive public high school of this scale. The school currently ranks #3951 out of 4,758 high schools in New York State, placing it in the 17th percentile with a MySchoolScout rating of 3.4 out of 10.
This suggests the school is working to strengthen its academic programs and support systems to better serve its diverse student population. Central Islip Senior High School draws from a community where the median household income is $100,387 and the poverty rate stands at 10.6%. The surrounding ZIP code of 11722 has a population of 37,032, with 19% of residents holding bachelor's degrees or higher.
Median home values in the area are $365,800, reflecting the school's location in an established suburban community. The school is situated in a large suburban area of Long Island, providing students with access to both suburban amenities and proximity to New York City's educational and cultural resources.
What's said publicly about Central Islip Senior High School
Synthesized from public, attributable sources. Updated April 2026.
Sources (2)
What Parents Should Know
Central Islip Senior High School is a large school with 2,597 students enrolled. Larger schools typically offer a wider range of academic programs, electives, and extracurricular activities. Parents may want to ask about how the school maintains a sense of community and ensures students don't get lost in the crowd.
Score Breakdown
Full Profile · 4/4 metricsView breakdown
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Central Islip Senior High School — Students at Central Islip Senior High School score 82% proficient, which is above what's typical for similar communities (expected: 53%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
65.7%
Students qualifying for federal meal assistance
Test Scores NY EDFACTS (2020-21)
Based on 4 test records from NY state assessments. About our data
Proficiency Trend
↓ DecliningAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 5.1/10.
How Central Islip Senior High School Compares
See how Central Islip Senior High School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has declined from 87% (2019) to 83% (2021). Reading/ELA proficiency has declined from 89% (2019) to 81% (2021).
Location
85 WHEELER RD, Central Islip, NY 11722
Nearby Alternatives
Families considering Central Islip Senior High School may also want to explore other high schools in the area. RUTH C KINNEY ELEMENTARY SCHOOL (rated 8.1/10, 3.3 miles away, in nearby Islip Terrace), which scores notably higher. Another option is BRETTON WOODS ELEMENTARY SCHOOL (rated 7.9/10, 1.1 miles away, in nearby Hauppauge), which scores notably higher. Additionally, MOUNT PLEASANT ELEMENTARY SCHOOL (rated 7.8/10, 2.9 miles away, in nearby Smithtown), which scores notably higher. For more schools in Central Islip, see our Central Islip schools guide .
Nearby Schools
20 within 3.3 miNeighborhood Census ACS (2019-2023)
Census data for ZIP 11722 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$110,365
Median Home Value
$407,100
Median Rent
$2,094/mo
Population
38,443
College Educated
18.4%
Homeownership
77%
Avg Commute
27.7 min
Poverty Rate
9.3%
Median Age
34.1
Community Profile
The community surrounding Central Islip Senior High School has a median household income of $110,365. It is a community where 18% of adults hold a bachelor's degree or higher. The median home value in the area is $407,100, with a median rent of $2,094/month. The local poverty rate of 9.3% is relatively low. The average commute for residents is 28 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| HARRY S TRUMAN HIGH SCHOOL Bronx, NY | 5.0 |
| RAMAPO HIGH SCHOOL Spring Valley, NY | 5.1 |
| HILLCREST HIGH SCHOOL Jamaica, NY | 5.2 |
| NORTH ROCKLAND HIGH SCHOOL Thiells, NY | 4.8 |
| PINE BUSH SENIOR HIGH SCHOOL Pine Bush, NY | 4.8 |
| ST FRANCIS PREP Fresh Meadows, NY | 4.8 |
Frequently Asked Questions
Common questions about Central Islip Senior High School
What grades does Central Islip Senior High School serve?
Central Islip Senior High School serves students in grades 9th through 12th.
How many students attend Central Islip Senior High School?
Central Islip Senior High School has an enrollment of approximately 2,597 students.
What is the student-teacher ratio at Central Islip Senior High School?
The student-teacher ratio at Central Islip Senior High School is 17:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Central Islip Senior High School rank in NY?
Central Islip Senior High School is ranked #3778 out of 4,739 schools in NY.
What is Central Islip Senior High School's MySchoolScout rating?
Central Islip Senior High School has a composite rating of 5.0 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Central Islip Senior High School?
Based on the most recent state assessment data, Central Islip Senior High School has 85.0% math proficiency and 85.0% reading/ELA proficiency.
Is Central Islip Senior High School a charter school?
No, Central Islip Senior High School is not a charter school. It is a traditional public school operated by the local school district.
Is Central Islip Senior High School a Title I school?
No, Central Islip Senior High School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Central Islip Senior High School?
65.7% of students at Central Islip Senior High School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Neighborhood Context
Powered by 
FBI UCR 2024. County-level only. Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – 12th
- Enrollment
- 2,597
- Student-Teacher Ratio
- 17:1
- Teachers (FTE)
- 153
- Free/Reduced Lunch
- 65.7%
- Type
- regular
- Setting
- Large Suburb
- County
- Suffolk County
- Phone
- (631) 348-5079
- Data Year
- 2023–2024
Resources & Links
District
CENTRAL ISLIP UNION FREE SCHOOL DISTRICT- District Enrollment
- 7,867
- Schools in District
- 8
- Per-Pupil Spending
- $30,304
- District Rank
- #7 of 8
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
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- Charter Schools vs Public Schools: What the Data Actually Shows (2026)school choice
- Student-Teacher Ratio by State: Complete 2026 Rankingsdata insights
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